GB2017113B - Process for preparing a composition of a polymer and a physiologically active substance - Google Patents

Process for preparing a composition of a polymer and a physiologically active substance

Info

Publication number
GB2017113B
GB2017113B GB7908163A GB7908163A GB2017113B GB 2017113 B GB2017113 B GB 2017113B GB 7908163 A GB7908163 A GB 7908163A GB 7908163 A GB7908163 A GB 7908163A GB 2017113 B GB2017113 B GB 2017113B
Authority
GB
United Kingdom
Prior art keywords
preparing
polymer
composition
active substance
physiologically active
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB7908163A
Other languages
English (en)
Other versions
GB2017113A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Otsuka Pharmaceutical Co Ltd
Japan Atomic Energy Agency
Original Assignee
Japan Atomic Energy Research Institute
Otsuka Pharmaceutical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2710978A external-priority patent/JPS54119585A/ja
Priority claimed from JP5123978A external-priority patent/JPS588402B2/ja
Priority claimed from JP10530678A external-priority patent/JPS5533412A/ja
Priority claimed from JP10609778A external-priority patent/JPS5533425A/ja
Application filed by Japan Atomic Energy Research Institute, Otsuka Pharmaceutical Co Ltd filed Critical Japan Atomic Energy Research Institute
Publication of GB2017113A publication Critical patent/GB2017113A/en
Application granted granted Critical
Publication of GB2017113B publication Critical patent/GB2017113B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1635—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/2027—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
    • A61K9/7007—Drug-containing films, membranes or sheets

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Polymerisation Methods In General (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
GB7908163A 1978-03-09 1979-03-08 Process for preparing a composition of a polymer and a physiologically active substance Expired GB2017113B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2710978A JPS54119585A (en) 1978-03-09 1978-03-09 Production of polymer composition containing physiologically active substance
JP5123978A JPS588402B2 (ja) 1978-04-28 1978-04-28 重合体組成物の製造方法
JP10530678A JPS5533412A (en) 1978-08-29 1978-08-29 Preparation of slow-releasing formulation
JP10609778A JPS5533425A (en) 1978-08-30 1978-08-30 Production of gradually releasing preparation

Publications (2)

Publication Number Publication Date
GB2017113A GB2017113A (en) 1979-10-03
GB2017113B true GB2017113B (en) 1982-12-15

Family

ID=27458622

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7908163A Expired GB2017113B (en) 1978-03-09 1979-03-08 Process for preparing a composition of a polymer and a physiologically active substance

Country Status (8)

Country Link
US (2) US4321117A (fr)
CA (1) CA1125698A (fr)
DE (1) DE2908794C2 (fr)
ES (1) ES478446A1 (fr)
FR (1) FR2419299A1 (fr)
GB (1) GB2017113B (fr)
IT (1) IT7967493A0 (fr)
SE (1) SE7902166L (fr)

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CN113545344B (zh) * 2021-07-23 2022-08-09 安徽省通源环境节能股份有限公司 一种沉水植物促生缓释片及其制备方法

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Also Published As

Publication number Publication date
CA1125698A (fr) 1982-06-15
US4321117A (en) 1982-03-23
DE2908794A1 (de) 1979-09-13
SE7902166L (sv) 1979-09-10
IT7967493A0 (it) 1979-03-08
DE2908794C2 (de) 1984-09-13
ES478446A1 (es) 1979-12-16
GB2017113A (en) 1979-10-03
US4411754A (en) 1983-10-25
FR2419299A1 (fr) 1979-10-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee